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经营范围
发明名称
Air supported cleaner with diffuser
摘要
申请公布号
US2743787(A)
申请公布日期
1956.05.01
申请号
US19540421493
申请日期
1954.04.07
申请人
THE HOOVER COMPANY
发明人
SECK WERNER G.
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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